4.5V · 7850-1

LEGO 7850-1 8 Straight Rails Gray 4.5v

1980 32 pieces
New / sealed valueN/AComparison pending
Original retailN/ALaunch price
Used valueN/ACurrent estimate
90-day trendN/A0 months recorded
EXTERNAL ESTIMATE

Independent Market Value Trend

Source-reported new/sealed market estimates, aggregated monthly and displayed in USD.

Latest estimate$29.44
Period low$28.28
Period high$34.43
Period change-13.6%
MARKET VALUE Independent new/sealed market value
Latest $29.44 -13.6% over period
Monthly market value history Closing market value from Sep 2024 to Aug 2026. $35 $33 $30 $27 Sep 2024: $34.06 Oct 2024: $33.84 Nov 2024: $34.43 Dec 2024: $33.92 Jan 2025: $33.41 Feb 2025: $32.50 Mar 2025: $33.28 Apr 2025: $33.48 May 2025: $32.35 Jun 2025: $31.52 Jul 2025: $31.20 Aug 2025: $30.84 Sep 2025: $29.19 Oct 2025: $28.28 Nov 2025: $30.04 Dec 2025: $31.94 Jan 2026: $33.15 Feb 2026: $32.84 Mar 2026: $30.56 Apr 2026: $30.27 May 2026: $29.69 Jun 2026: $29.05 Jul 2026: $29.29 Aug 2026: $29.44 Sep 2024Aug 2025Aug 2026
View independent market value data
MonthOpenLowHighCloseSource
2026-08 $29.29 $29.29 $29.47 $29.44 Secondary-market data provider
2026-07 $29.03 $28.99 $29.29 $29.29 Secondary-market data provider
2026-06 $29.70 $28.92 $29.70 $29.05 Secondary-market data provider
2026-05 $30.27 $29.57 $30.27 $29.69 Secondary-market data provider
2026-04 $30.74 $30.22 $30.97 $30.27 Secondary-market data provider
2026-03 $32.84 $30.52 $32.84 $30.56 Secondary-market data provider
2026-02 $33.00 $32.66 $33.35 $32.84 Secondary-market data provider
2026-01 $32.20 $31.91 $33.30 $33.15 Secondary-market data provider
2025-12 $30.24 $30.24 $32.04 $31.94 Secondary-market data provider
2025-11 $28.72 $28.72 $30.09 $30.04 Secondary-market data provider
2025-10 $29.15 $27.87 $29.15 $28.28 Secondary-market data provider
2025-09 $30.53 $29.02 $30.53 $29.19 Secondary-market data provider
2025-08 $31.54 $30.66 $31.75 $30.84 Secondary-market data provider
2025-07 $31.76 $30.95 $32.05 $31.20 Secondary-market data provider
2025-06 $31.90 $30.85 $31.90 $31.52 Secondary-market data provider
2025-05 $33.48 $31.69 $33.48 $32.35 Secondary-market data provider
2025-04 $33.19 $32.73 $34.38 $33.48 Secondary-market data provider
2025-03 $32.50 $32.50 $34.09 $33.28 Secondary-market data provider
2025-02 $33.41 $32.50 $33.41 $32.50 Secondary-market data provider
2025-01 $33.92 $32.79 $34.04 $33.41 Secondary-market data provider
2024-12 $34.45 $33.92 $34.55 $33.92 Secondary-market data provider
2024-11 $34.11 $33.86 $35.32 $34.43 Secondary-market data provider
2024-10 $33.72 $32.25 $33.84 $33.84 Secondary-market data provider
2024-09 $33.73 $33.51 $34.06 $34.06 Secondary-market data provider
SET PRICE GUIDE

LEGO 7850-1 8 Straight Rails Gray 4.5v price, value and history

LEGO 7850-1 8 Straight Rails Gray 4.5v is a set released in 1980 in the 4.5V theme with 32 pieces. This BrickPriceWatch price guide combines a current new and sealed value is not available yet, the original retail price is not recorded yet, and price history that is still being collected in USD.

The current comparison is based on collected market observations rather than a guaranteed selling price. Used value data is not available yet. A retirement month is not currently recorded for this set.

Current market dataa current new and sealed value is not available yet
Retail comparisonthe original retail price is not recorded yet
Retailer availabilityno recent verified retailer quote; open the offer panel for the latest observed links.

How to use this LEGO price guide

Use the price guide to compare new and sealed value with the original retail price, inspect monthly high, low, and closing prices, and review current retailer offers before buying. Set condition, completeness, packaging, shipping, taxes, and marketplace timing can change the final price.